#!/bin/bash
# filter the output from pkg-config (renamed as pkg-config.real)
# and ensures PKG_CONFIG_SYSROOT is prepended to all paths

CMD=$0

if [ ! "$PKG_CONFIG_SYSROOT" ]; then
	echo "pkg-config-filter: missing \$PKG_CONFIG_SYSROOT environment variable"
	exit 2
fi

export PKG_CONFIG_LIBDIR
export PKG_CONFIG_PATH

export PKG_CONFIG_ALLOW_SYSTEM_CFLAGS=true PKG_CONFIG_ALLOW_SYSTEM_LIBS=true

result=`$CMD.real $*`
result_code=$?

[ -n "$result" ] && cat << EOF | sed -e "s~\-L/*$PKG_CONFIG_SYSROOT/*~-L=/~g; s~\-I/*$PKG_CONFIG_SYSROOT/*~-I=/~g;" | sed -e "s~\-L/~-L=/~g; s~\-I/~-I=/~g;" | sed -e "s~\-L\=~-L$PKG_CONFIG_SYSROOT~g; s~\-I\=~-I$PKG_CONFIG_SYSROOT~g;"
$result
EOF

exit $result_code
